Metric Bolts Supplier

As a metric bolts supplier, KD Fasteners, Inc.® offers a variety of metric bolts sizes and dimensions that include: hex cap bolts, u bolts, anchor bolts, and many more for any project you may have. KD Fasteners standard materials for metric fasteners listed can vary per the item. We carry the following materials:

  • Low carbon steel= 3.6,4.6,4.8,5.6,6.8
  • Hardened steel= 8.8,10.9,12.9
  • Stainless= A2,A4(316)
  • Brass= Ms 63,Ms 58
  • Exotic material can be made to order.
  • Titanium, Hastelloy, Inconel, Nitronc 60, Aluminum, Monel and many others. 

With many different styles, metric bolts are used in a variety of industries like aerospace, military, marine, oil & gas, construction, and automotive. Metric bolts allow for the flexibility of worldwide shipping that meets the measurement standards across the globe.

The chart below provides information regarding metric bolts sizes and dimensions.

Metric Bolts Din ISO JIS ANSI
Socket Shoulder Bolts   7379   B 18.3.3 M
Flange Bolts 6921   JIS B 1189 B18.2.3.4M
Carriage Bolts 603 8677/8678   B
Lifting Eye Bolts 580      


We have the capability to create a metric bolt for any project you have in mind. Contact us today!